376 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1919, 
Plate 4. 
Additional orthopterous insects. Natural size. 
1. Stilpnochlora couloniana Sauss. A katydid from Florida. 
2. Plagiostira albonotata variety brevipes Caud. A katydid -with rudimentary 
wings, from Arizona. 
3. Eggs of No. 1, attached to a twig. Florida. 
4. Archimandrita marmorata Stoll. A cockroach from Nicaragua. 
5. Young specimen of No. 4, from Costa Rica. 
Note. — Nos. 1, 2, and 3 not previously figured. 
Plate 5. 
Dragonflies (order Odonata). Natural size. 
1. Calopteryx splendens Harris, male, from Spain. 
2. Rhinocypha fcnestrella Rambur, male, from lower Siam. 
3. Libelhda cyanca Fabr., female, from Maryland. 
4. Agrion dimidiatum variety apicale Burm., male, from Maryland. 
5. Argia fumipennis Burm., male, from Florida. 
6. Pseudoleon superhus Hagen, female, from Arizona. A Central American 
species ranging northward to our Southwest. 
7. Nannothemis bella Uhler, female, from Maryland. 
8. PerWwmis domitia Drury, female. The specimen is from Maryland, but 
the species occurs widely in tropical and eastern North America. 
9. Celithemis elisa Hagen, female, from Maryland. 
Plate 6. 
Neuropteroid insects. Natural size. 
1. Stilhopteryx costaliJi N. An ant lion from West Africa. 
2. Ascalaphus ramburi McLachl., from Japan. 
3. Panorpa nuptmlis Gerst. • A scorpion fly from Texas. 
4. Polystocchotes pnnctatus Fabr., from California. 
5. AcanthacUsis americana Drury. An aut lion from Virginia. 
Plate 7. 
Two-winged flies (order Diptera) of the family Bombyliidae. Members of this 
family are parasitic in the larval stage upon other insects. All natural size. 
1. ExoproHopa pueblensis Jaennicke. from Mississippi; occurs southward to 
Central America. 
2. Exoprosopa capucina Fabricius, from Germany. 
3. Hypcralnnia hcla Erich., from Mexico; occurs in Guiana. 
4. Exoprosopa livibipcnnis INIacquart, from Canal Zone. 
5. BombyU'UH pimctatm Fabr., from Dalmatia. 
6. BombyUus discolor Mikan, from Europe. 
7. Exoprosopa dorcadion Osten Sacken, from Utah. 
8. Exoprosopa fascipennis Say, from Utah. 
9. Hyperalofiia gargantua Knab, from Jamaica. Type. 
10. Hypcralonia lalreUlci Macquart, from Guatemala. 
11. Hypcralonia cerberus Fabr., from Porto Rico. 
12. Spogostyhnn plvto Wied., from Mount Washington, N. H. 
13. Hypcralonia tantalus Fabr., from Java. 
14. Anthrax abbreviata Wied., from Paraguay. 
